[postgis-users] Add an angle column

[Stephen Woodbridge]

Ezequias Rodrigues da Rocha wrote:
> Hi list,
> 
> Is there a way to implement a new column adding an angle item of a line 
> layer ?

Something like:

alter table mylinetable add column angle real4;
update table mylinetable set angle=<computation of angle>;


So I guess the questions is how do you want to define the value of angle?

-Steve W.